LTC4008EGN-1#PBF Linear Technology, LTC4008EGN-1#PBF Datasheet - Page 3

• Manufacturer Part Number: LTC4008EGN-1#PBF
• Description: IC BATT CHARGER CTRLR 4A 20SSOP
• Manufacturer: Linear Technology

Specifications of LTC4008EGN-1#PBF

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 6 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
I
V
I
Shutdown
UVLO
Current Sense Amplifi er, CA1
CMSL
CMSH
V
Current Comparators I
I
I
Current Sense Amplifi er, CA2
Current Limit Amplifi er
V
I
Voltage Error Amplifi er, EA
V
I
OVSD
temperature range, otherwise specifi cations are at T
Q
TOL
TMAX
TREV
CLN
BEA
TOL
OS
CLP
REF
Input Bias Current Into BAT Pin
CA1/I
CA1/I
Input Voltage Offset
Maximum Current Sense Threshold (V
Reverse Current Threshold (V
Transconductance
Source Current
Sink Current
Transconductance
Current Limit Threshold
CLN Input Bias Current
Transconductance
Reference Voltage Used to Calculate V
Input Bias Current
Sink Current
Overvoltage Shutdown Threshold as a Percent of
Programmed Charger Voltage
DCIN Operating Range
Operating Current
Voltage Accuracy
BATMON Error (Note 5)
Charge Current Accuracy (Note 3)
Battery Leakage Current
Undervoltage Lockout Threshold
Shutdown Threshold at ACP/SHDN
Operating Current in Shutdown
1
1
Input Common Mode Low
Input Common Mode High
CMP
and I
REV
CSP
– V
BAT
FLOAT
CSP
)
– V
BAT
) V
A
CONDITIONS
V
Measured at I
Measured at I
Measured at I
= 25°C. V
Charging Sum of Current from CLP , CLN, DCIN
(Notes 2, 5)
Measured from BAT to BATMON,
R
V
DCIN = 0V (LTC4008 Only)
ACP/SHDN = 0V
DCIN Rising, V
V
CLN, DCIN
DCIN
ITH
CSP
SHDN
LOAD
= 2.5V
– V
The
≤ 28V
= 100k
= 0V, Sum of Current from CLP ,
BAT
l
DCIN
Target = 100mV
denotes the specifi cations which apply over the full operating
TH
TH
TH
BAT
, V
, V
, V
= 20V, V
ITH
ITH
ITH
= 0V
= 1.4V
= 1.4V
= 1.4V
BAT
= 12V unless otherwise noted.
l
l
l
l
l
l
l
l
l
l
l
–0.8
–1.0
–3.5
MIN
–10
140
102
4.2
–4
–5
93
6
0
1
0
11.66
1.19
TYP
165
–30
–40
100
100
107
4.7
1.6
1.4
35
20
40
±4
36
3
2
1
1
LTC4008
V
CLN
MAX
200
107
±25
110
0.8
1.0
5.5
2.5
3.5
28
80
35
10
5
4
5
3
– 0.2
UNITS
mmho
mmho
mmho
4008fb
3
mA
mV
mA
mV
mV
mV
mV
μA
μA
μA
μA
μA
nA
nA
μA
%
%
%
%
%
V
V
V
V
V
V